#define _CRT_SECURE_NO_WARNINGS 1
#include<iostream>
#include<list>
#include<vector>
using namespace std;

int main()
{
	list<int> v1;
	list<int> v2 = {3,4};
	cout << int();
	/*for (auto e : v1)
	{
		cout << e;
	}*/
	return 0;
}